Method and apparatus of NR RMSI coreset configuration in MIB

• US 10,715,371 B2
• Filed: 09/05/2018
• Issued: 07/14/2020
• Est. Priority Date: 11/01/2017
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Si, Hongbo, Nam, Young-Han, Kim, Youngbum, Kim, Taehyoung
• Primary Examiner(s): Ko, Sithu
• Application Number:
  US16/122,367
• Publication Number:
  US 20190132170A1
• Time in Patent Office: 678 Days
• CPC Class Codes: H04L 27/26025 Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking allocating sub-channels of the transmission path H04L5/003
• CPC Class Codes: H04L 27/2657 Carrier synchronisation
• CPC Class Codes: H04L 27/266 Fine or fractional frequency offset determination and synchronisation
• CPC Class Codes: H04L 27/2666 Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04L 5/0091 Signaling for the administration of the divided path
• CPC Class Codes: H04W 48/12 using downlink control channel
• CPC Class Codes: H04W 56/001 Synchronization between nodes
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/20 Control channels or signalling for resource management
• CPC Class Codes: H04W 88/02 Terminal devices
• CPC Class Codes: H04W 88/08 Access point devices

Abstract

A method of a BS for control information configuration comprises determining a frequency offset including an RB and RE level frequency offset, wherein the frequency offset is determined based on a lowest RE of an SS/PBCH block and a lowest RE of CORESET for RMSI, jointly configuring, using a first field of 4 bits, the RB level frequency offset with a multiplexing pattern of the SS/PBCH block and the CORESET, a BW of the CORESET, and a number of symbols for the CORESET for a combination of a SCS of the SS/PBCH block and a SCS of the CORESET, configuring using a second field of the 4 bits generating an MIB including the RB level frequency offset and the RE level frequency offset; and transmitting, to a UE, the MIB over a PBCH.

Claims

1. A user equipment (UE) for control information configuration in a wireless communication system, the UE comprising:

a transceiver configured to receive, from a base station (BS), a master information block (MIB) over a physical broadcasting channel (PBCH); and

a processor operably connected to the transceiver, the processor configured to determine a frequency offset from the received MIB, wherein;

the frequency offset is determined based on a lowest RE of a synchronization signal/physical broadcast channel (SS/PBCH) block and a lowest RE of control resource set (CORESET) for remaining minimum system information (RMSI),

the frequency offset includes a resource block (RB) level frequency offset and a resource element (RE) level frequency offset,

the RB level frequency offset is jointly configured, for a combination of a subcarrier spacing (SCS) of the SS/PBCH block and a SCS of the CORESET, using a first field of 4 bits, with a multiplexing pattern of the SS/PBCH block and the CORESET, a bandwidth (BW) of the CORESET, and a number of symbols for the CORESET, and

the RE level frequency offset is configured using a second field of the 4 bits.

2. The UE of claim 1, wherein the multiplexing pattern of the SS/PBCH block and the CORESET comprises at least one of:

a first multiplexing pattern such that the SS/PBCH block and the CORESET occur in different time instances, a bandwidth of the SS/PBCH block overlapping with a bandwidth of the CORESET;

a second multiplexing pattern such that the SS/PBCH block and the CORESET occur in different time instances, the bandwidth of the SS/PBCH block not overlapping with the bandwidth of the CORESET;

or

a third multiplexing pattern such that the SS/PBCH block and the CORESET occur in a same time instance, the bandwidth of the SS/PBCH block not overlapping with the bandwidth of the CORESET.

3. The UE of claim 2, wherein, for the first multiplexing pattern:

for SCS_SS=15 kHz, SCS_CORESET=15 kHz, BW_CORESET=24 RBs, the configuration of the RB level frequency offset is determined as one from 0, 2, or 4 RBs;

for SCS_SS=15 kHz, SCS_CORESET=15 kHz, BW_CORESET=48 RBs, the configuration of the RB level frequency offset is determined as one from 12 or 16 RBs;

for SCS_SS=15 kHz, SCS_CORESET=15 kHz, BW_CORESET=96 RBs, the configuration of the RB level frequency offset is determined as 38 RBs;

for SCS_SS=15 kHz, SCS_CORESET=30 kHz, BW_CORESET=24 RBs, the configuration of the RB level frequency offset is determined as one from 6, 7, or 8 RBs;

for SCS_SS=15 kHz, SCS_CORESET=30 kHz, BW_CORESET=48 RBs, the configuration of the RB level frequency offset is determined as one from 18 or 20 RBs;

for SCS_SS=30 kHz, SCS_CORESET=15 kHz, BW_CORESET=48 RBs, the configuration of the RB level frequency offset is determined as one from 2 or 6 RBs;

for SCS_SS=30 kHz, SCS_CORESET=15 kHz, BW_CORESET=96 RBs, the configuration of the RB level frequency offset is determined as 28 RBs;

for SCS_SS=30 kHz, SCS_CORESET=30 kHz, BW_CORESET=24 RBs, the configuration of the RB level frequency offset is determined as one from 0, 1, 2, 3, or 4 RBs;

for SCS_SS=30 kHz, SCS_CORESET=30 kHz, BW_CORESET=48 RBs, the configuration of the RB level frequency offset is determined as one from 12, 14, or 16 RBs;

for SCS_SS=120 kHz, SCS_CORESET=60 kHz, BW_CORESET=48 RBs, the configuration of the RB level frequency offset is determined as one from 0 or 8 RBs;

for SCS_SS=120 kHz, SCS_CORESET=60 kHz, BW_CORESET=96 RBs, the configuration of the RB level frequency offset is determined as 28 RBs;

for SCS_SS=120 kHz, SCS_CORESET=120 kHz, BW_CORESET=24 RBs, the configuration of the RB level frequency offset is determined as one from 0 or 4 RBs, respectively;

for SCS_SS=120 kHz, SCS_CORESET=120 kHz, BW_CORESET=48 RBs, the configuration of the RB level frequency offset is determined as 14 RBs;

for SCS_SS=240 kHz, SCS_CORESET=60 kHz, BW_CORESET=96 RBs, the configuration of the RB level frequency offset is determined as one from 0 or 16 RBs; and

for SCS_SS=240 kHz, SCS_CORESET=120 kHz, BW_CORESET=48 RBs, the configuration of the RB level frequency offset is determined as one from 0 or 8 RBs.

4. The UE of claim 2, wherein, for the second multiplexing pattern:

for SCS_SS=120 kHz, SCS_CORESET=60 kHz, BW_CORESET=48 RBs, the configuration of the RB level frequency offset is determined as one from −

42 or 49 RBs, when the configured RE level frequency offset is determined as not 0, and the configuration of the RB level frequency offset is determined as one from −

41 or 49 RBs, when the configured RE level frequency offset is determined as 0;

for SCS_SS=120 kHz, SCS_CORESET=60 kHz, BW_CORESET=96 RBs, the configuration of the RB level frequency offset is determined as one from −

42 or 97 RBs, when the configured RE level frequency offset is determined as not 0, and the configuration of the RB level frequency offset is determined as one from −

41 or 97 RBs, when the configured RE level frequency offset is determined as 0;

for SCS_SS=240 kHz, SCS_CORESET=120 kHz, BW_CORESET=24 RBs, the configuration of the RB level frequency offset is determined as one from −

42 or 25 RBs, when the configured RE level frequency offset is determined as not 0, and the configuration of the RB level frequency offset is determined as one from −

41 or 25 RBs, when the configured RE level frequency offset is determined as 0; and

for SCS_SS=240 kHz, SCS_CORESET=120 kHz, BW_CORESET=48 RBs, the configuration of the RB level frequency offset is determined as one from −

42 or 49 RBs, when the configured RE level frequency offset is determined as not 0, and the configuration of the RB level frequency offset is determined as one from −

41 or 49 RBs, when the configured RE level frequency offset is determined as 0; and

for the third multiplexing pattern;

for SCS_SS=120 kHz, SCS_CORESET=120 kHz, BW_CORESET=24 RBs, the configuration of the RB level frequency offset is determined as one from −

21 or 24 RBs, when the configured RE level frequency offset is determined as not 0, and the configuration of the RB level frequency offset is determined as one from −

20 or 24 RBs, when the configured RE level frequency offset is determined as 0; and

for SCS_SS=120 kHz, SCS_CORESET=120 kHz, BW_CORESET=48 RBs, the configuration of the RB level frequency offset is determined as one from −

21 or 48 RBs, when the configured RE level frequency offset is determined as not 0, and the configuration of the RB level frequency offset is determined as one from −

20 or 48 RBs, when the configured RE level frequency offset is determined as 0.

5. A base station (BS) for control information configuration in a wireless communication system, the BS comprising:

a processor configured to;

determine a frequency offset including a resource block (RB) level frequency offset and a resource element (RE) level frequency offset, wherein the frequency offset is determined based on a lowest RE of a synchronization signal/physical broadcast channel (SS/PBCH) block and a lowest RE of a control resource set (CORESET) for remaining minimum system information (RMSI);

jointly configure, for a combination of a subcarrier spacing (SCS) of the SS/PBCH block and a SCS of the CORESET, using a first field of 4 bits, the RB level frequency offset with a multiplexing pattern of the SS/PBCH block and the CORESET, a bandwidth (BW) of the CORESET, and a number of symbols for the CORESET,

configure, using a second field of the 4 bits, the RE level frequency offset, and

generate a master information block (MIB) including the configured RB level frequency offset and the configured RE level frequency offset; and

a transceiver operably connected to the processor, the transceiver configured to transmit, to a user equipment (UE), the MIB over a PBCH.

6. The BS of claim 5, wherein the multiplexing pattern of the SS/PBCH block and the CORESET comprises at least one of:

a first multiplexing pattern such that the SS/PBCH block and the CORESET occur in different time instances, a bandwidth of the SS/PBCH block overlapping with a bandwidth of the CORESET;

a second multiplexing pattern such that the SS/PBCH block and the CORESET occur in different time instances, the bandwidth of the SS/PBCH block not overlapping with the bandwidth of the CORESET;

or

a third multiplexing pattern such that the SS/PBCH block and the CORESET occur in a same time instance, the bandwidth of the SS/PBCH block not overlapping with the bandwidth of the CORESET.

7. The BS of claim 6, wherein, for the first multiplexing pattern, the RB level frequency offset is configured from a number of configurations, the number of configurations being determined based on the SCS of the SS/PBCH block, the SCS of the CORESET, the bandwidth of the CORESET, a bandwidth of a carrier on which the SS/PBCH block is transmitted, and a minimum carrier bandwidth of the carrier on which the SS/PBCH block is transmitted, and given by:

[(BW_carrier^min−

BW_SS*SCS_SS/SCS_CORESET)/(BW_carrier−

BW_CORESET+R_carrier)]

where BW_carrier^min is the minimum carrier bandwidth of the carrier, BW_SS is the bandwidth of the SS/PBCH block, SCS_SS is the subcarrier spacing of the SS/PBCH block, SCS_CORESET is the subcarrier spacing of the CORESET, BW_carrier is the bandwidth of the carrier wherein the SS/PBCH block is transmitted, BW_CORESET is the bandwidth of the CORESET, and R_carrier is a RB level carrier raster.

8. The BS of claim 7, wherein, for the first multiplexing pattern:

for SCS_SS=15 kHz, SCS_CORESET=15 kHz, BW_CORESET=24 RBs, the number of configurations of the RB level frequency offset is 3, and configurations of the RB level frequency offset are 0, 2, and 4 RBs, respectively;

for SCS_SS=15 kHz, SCS_CORESET=15 kHz, BW_CORESET=48 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 12 and 16 RBs, respectively;

for SCS_SS=15 kHz, SCS_CORESET=15 kHz, BW_CORESET=96 RBs, the number of configurations of the RB level frequency offset is 1, and the configuration of the RB level frequency offset is 38 RBs;

for SCS_SS=15 kHz, SCS_CORESET=30 kHz, BW_CORESET=24 RBs, the number of configurations of the RB level frequency offset is 3, and the configurations of the RB level frequency offset are 6, 7, and 8 RBs, respectively;

for SCS_SS=15 kHz, SCS_CORESET=30 kHz, BW_CORESET=48 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 18 and 20 RBs, respectively;

for SCS_SS=30 kHz, SCS_CORESET=15 kHz, BW_CORESET=48 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 2 and 6 RBs, respectively;

for SCS_SS=30 kHz, SCS_CORESET=15 kHz, BW_CORESET=96 RBs, the number of configurations of the RB level frequency offset is 1, and the configuration of the RB level frequency offset is 28 RBs;

for SCS_SS=30 kHz, SCS_CORESET=30 kHz, BW_CORESET=24 RBs, the number of configurations of the RB level frequency offset is 5, and the configurations of the RB level frequency offset are 0, 1, 2, 3, and 4 RBs, respectively;

for SCS_SS=30 kHz, SCS_CORESET=30 kHz, BW_CORESET=48 RBs, the number of configurations of the RB level frequency offset is 3, and the configurations of the RB level frequency offset are 12, 14, and 16 RBs, respectively;

for SCS_SS=120 kHz, SCS_CORESET=60 kHz, BW_CORESET=48 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 0 and 8 RBs, respectively;

for SCS_SS=120 kHz, SCS_CORESET=60 kHz, BW_CORESET=96 RBs, the number of configurations of the RB level frequency offset is 1, and the configuration of the RB level frequency offset is 28 RBs;

for SCS_SS=120 kHz, SCS_CORESET=120 kHz, BW_CORESET=24 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 0 and 4 RBs, respectively;

for SCS_SS=120 kHz, SCS_CORESET=120 kHz, BW_CORESET=48 RBs, the number of configurations of the RB level frequency offset is 1, and the configuration of the RB level frequency offset is 14 RBs;

for SCS_SS=240 kHz, SCS_CORESET=60 kHz, BW_CORESET=96 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 0 and 16 RBs, respectively; and

for SCS_SS=240 kHz, SCS_CORESET=120 kHz, BW_CORESET=48 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 0 and 8 RBs, respectively.

9. The BS of claim 6, wherein, for the second multiplexing pattern, and for a combination of SCS of the SS/PBCH block, the SCS of the CORESET, and the bandwidth of the CORESET, the RB level frequency offset is configured from a number of configurations, the number of configurations being 2,

wherein a first configuration of the RB level frequency offset is determined as −

BW_SS*SCS_SS/SCS_CORESET−

2 when the configured RE level frequency offset is not 0, and is determined as −

BW_SS*SCS_SS/SCS_CORESET−

1 when the configured RE level frequency offset is 0, and a second configuration of the RB level frequency offset is determined as BW_CORESET+1.

10. The BS of claim 9, wherein, for the second multiplexing pattern:

for SCS_SS=120 kHz, SCS_CORESET=60 kHz, BW_CORESET=48 RBs, the first and second configurations of the RB level frequency offset are −

42 and 49 RBs, respectively, when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −

41 and 49 RBs, respectively, when the configured RE level frequency offset is 0;

for SCS_SS=120 kHz, SCS_CORESET=60 kHz, BW_CORESET=96 RBs, the first and second configurations of the RB level frequency offset are −

42 and 97 RBs, respectively, when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −

41 and 97 RBs, respectively, when the configured RE level frequency offset is 0;

for SCS_SS=240 kHz, SCS_CORESET=120 kHz, BW_CORESET=24 RBs, the first and second configurations of the RB level frequency offset are −

42 and 25 RBs, respectively, when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −

41 and 25 RBs, respectively, when the configured RE level frequency offset is 0; and

for SCS_SS=240 kHz, SCS_CORESET=120 kHz, BW_CORESET=48 RBs, the first and second configurations of the RB level frequency offset are −

42 and 49 RBs, respectively, when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −

41 and 49 RBs, respectively, when the configured RE level frequency offset is 0.

11. The BS of claim 6, wherein:

for the third multiplexing pattern, and for a combination of SCS of the SS/PBCH block, the SCS of the CORESET, and the bandwidth of the CORESET, the RB level frequency offset is configured from a number of configurations, the number of configurations being 2,

wherein a first configuration of the RB level frequency offset is determined as −

BW_SS−

1 when the configured RE level frequency offset is not 0, and is determined as −

BW_SS when the configured RE level frequency offset is 0; and

a second configuration of the RB level frequency offset is determined as BW_CORESET.

12. The BS of claim 11, wherein, for the third multiplexing pattern:

for SCS_SS=120 kHz, SCS_CORESET=120 kHz, BW_CORESET=24 RBs, the first and second configurations of the RB level frequency offset are −

21 and 24 RBs when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −

20 and 24 RBs, respectively, when the configured RE level frequency offset is 0; and

for SCS_SS=120 kHz, SCS_CORESET=120 kHz, BW_CORESET=48 RBs, the first and second configurations of the RB level frequency offset are −

21 and 48 RBs when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −

20 and 48 RBs, respectively, when the configured RE level frequency offset is 0.

13. A method of a base station (BS) for control information configuration in a wireless communication system, the method comprising:

determining a frequency offset including a resource block (RB) level frequency offset and a resource element (RE) level frequency offset, wherein the frequency offset is determined based on a lowest RE of a synchronization signal/physical broadcast channel (SS/PBCH) block and a lowest RE of control resource set (CORESET) for remaining minimum system information (RMSI);

jointly configuring, for a combination of a subcarrier spacing (SCS) of the SS/PBCH block and a SCS of the CORESET, using a first field of 4 bits, the RB level frequency offset with a multiplexing pattern of the SS/PBCH block and the CORESET, a bandwidth (BW) of the CORESET, and a number of symbols for the CORESET;

configuring, using a second field of the 4 bits, the RE level frequency offset;

generating a master information block (MIB) including the RB level frequency offset and the RE level frequency offset; and

transmitting, to a user equipment (UE), the MIB over a PBCH.

14. The method of claim 13, wherein the multiplexing pattern of the SS/PBCH block and the CORESET comprises at least one of:

a first multiplexing pattern such that the SS/PBCH block and the CORESET occur in different time instances, a bandwidth of the SS/PBCH block overlapping with a bandwidth of the CORESET;

a second multiplexing pattern such that the SS/PBCH block and the CORESET occur in different time instances, the bandwidth of the SS/PBCH block not overlapping with the bandwidth of the CORESET;

or

a third multiplexing pattern such that the SS/PBCH block and the CORESET occur in a same time instance, the bandwidth of the SS/PBCH block not overlapping with the bandwidth of the CORESET.

15. The method of claim 14, wherein, for the first multiplexing pattern, a number of configurations of RB level frequency offsets is determined based on the SCS of the SS/PBCH block, the SCS of the CORESET, the bandwidth of the CORESET, a bandwidth of a carrier on which the SS/PBCH block is transmitted, and a minimum carrier bandwidth of the carrier on which the SS/PBCH block is transmitted, and given by:

[(BW_carrier^min−

BW_SS*SCS_SS/SCS_CORESET)/(BW_carrier−

BW_CORESET+R_carrier)]

where BW_carrier^min is the minimum carrier bandwidth of the carrier, BW_SS is the bandwidth of the SS/PBCH block, SCS_SS is the subcarrier spacing of the SS/PBCH block, SCS_CORESET is the subcarrier spacing of the CORESET, BW_carrier is the bandwidth of the carrier wherein the SS/PBCH block is transmitted, BW_CORESET is the bandwidth of the CORESET, and R_carrier is a RB level carrier raster.

16. The method of claim 15, wherein, for the first multiplexing pattern:

for SCS_SS=15 kHz, SCS_CORESET=15 kHz, BW_CORESET=24 RBs, the number of configurations of the RB level frequency offset is 3, and configurations of the RB level frequency offset are 0, 2, and 4 RBs, respectively;

for SCS_SS=15 kHz, SCS_CORESET=15 kHz, BW_CORESET=48 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 12 and 16 RBs, respectively;

for SCS_SS=15 kHz, SCS_CORESET=15 kHz, BW_CORESET=96 RBs, the number of configurations of the RB level frequency offset is 1, and the configuration of the RB level frequency offset is 38 RBs;

for SCS_SS=15 kHz, SCS_CORESET=30 kHz, BW_CORESET=24 RBs, the number of configurations of the RB level frequency offset is 3, and the configurations of the RB level frequency offset are 6, 7, and 8 RBs, respectively;

for SCS_SS=15 kHz, SCS_CORESET=30 kHz, BW_CORESET=48 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 18 and 20 RBs, respectively;

for SCS_SS=30 kHz, SCS_CORESET=15 kHz, BW_CORESET=48 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 2 and 6 RBs, respectively;

for SCS_SS=30 kHz, SCS_CORESET=15 kHz, BW_CORESET=96 RBs, the number of configurations of the RB level frequency offset is 1, and the configuration of the RB level frequency offset is 28 RBs;

for SCS_SS=30 kHz, SCS_CORESET=30 kHz, BW_CORESET=24 RBs, the number of configurations of the RB level frequency offset is 5, and the configurations of the RB level frequency offset are 0, 1, 2, 3, and 4 RBs, respectively;

for SCS_SS=30 kHz, SCS_CORESET=30 kHz, BW_CORESET=48 RBs, the number of configurations of the RB level frequency offset is 3, and the configurations of the RB level frequency offset are 12, 14, and 16 RBs, respectively;

for SCS_SS=120 kHz, SCS_CORESET=60 kHz, BW_CORESET=48 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 0 and 8 RBs, respectively;

for SCS_SS=120 kHz, SCS_CORESET=60 kHz, BW_CORESET=96 RBs, the number of configurations of the RB level frequency offset is 1, and the configuration of the RB level frequency offset is 28 RBs;

for SCS_SS=120 kHz, SCS_CORESET=120 kHz, BW_CORESET=24 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 0 and 4 RBs, respectively;

for SCS_SS=120 kHz, SCS_CORESET=120 kHz, BW_CORESET=48 RBs, the number of configurations of the RB level frequency offset is 1, and the configuration of the RB level frequency offset is 14 RBs;

for SCS_SS=240 kHz, SCS_CORESET=60 kHz, BW_CORESET=96 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 0 and 16 RBs, respectively; and

for SCS_SS=240 kHz, SCS_CORESET=120 kHz, BW_CORESET=48 RBs, the number of configurations of the RB level frequency offset is 2, and the configurations of the RB level frequency offset are 0 and 8 RBs, respectively.

17. The method of claim 14, wherein:

for the second multiplexing pattern, a number of configurations of RB level frequency offsets is 2; and

a first configuration of the RB level frequency offset is determined as −

BW_SS*SCS_SS/SCS_CORESET−

2 when the configured RE level frequency offset is not 0, and is determined as −

BW_SS*SCS_SS/SCS_CORESET−

1 when the configured RE level frequency offset is 0; and

a second configuration of the RB level frequency offset is determined as BW_CORESET+1.

18. The method of claim 17, wherein, for the second multiplexing pattern:

for SCS_SS=120 kHz, SCS_CORESET=60 kHz, BW_CORESET=48 RBs, the first and second configurations of the RB level frequency offset are −

42 and 49 RBs, respectively, when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −

41 and 49 RBs, respectively, when the configured RE level frequency offset is 0;

for SCS_SS=120 kHz, SCS_CORESET=60 kHz, BW_CORESET=96 RBs, the first and second configurations of the RB level frequency offset are −

42 and 97 RBs, respectively, when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −

41 and 97 RBs, respectively, when the configured RE level frequency offset is 0;

for SCS_SS=240 kHz, SCS_CORESET=120 kHz, BW_CORESET=24 RBs, the first and second configurations of the RB level frequency offset are −

42 and 25 RBs, respectively, when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −

41 and 25 RBs, respectively, when the configured RE level frequency offset is 0; and

for SCS_SS=240 kHz, SCS_CORESET=120 kHz, BW_CORESET=48 RBs, the first and second configurations of the RB level frequency offset are −

42 and 49 RBs, respectively, when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −

41 and 49 RBs, respectively, when the configured RE level frequency offset is 0.

19. The method of claim 14, wherein, for the third multiplexing pattern, a number of configurations of RB level frequency offsets is 2,

wherein a first configuration of the RB level frequency offset is determined as −

BW_SS−

1 when the configured RE level frequency offset is not 0, and is determined as −

BW_SS when the configured RE level frequency offset is 0, and

wherein a second configuration of the RB level frequency offset is determined as BW_CORESET.

20. The method of claim 19, wherein, for the third multiplexing pattern:

for SCS_SS=120 kHz, SCS_CORESET=120 kHz, BW_CORESET=24 RBs, the first and second configurations of the RB level frequency offset are −

21 and 24 RBs when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −

20 and 24 RBs, respectively, when the configured RE level frequency offset is 0; and

for SCS_SS=120 kHz, SCS_CORESET=120 kHz, BW_CORESET=48 RBs, the first and second configurations of the RB level frequency offset are −

21 and 48 RBs when the configured RE level frequency offset is not 0, and the first and second configurations of the RB level frequency offset are −

20 and 48 RBs, respectively, when the configured RE level frequency offset is 0.